Electronic surveillance unit



FIG. 1 is a bottom view of the electronic surveillance unit of our new design.

FIG. 2 is a rear view of the surveillance unit thereof;

FIG. 3 is a front view of the surveillance unit thereof;

FIG. 4 is a top view of the surveillance unit thereof;

FIG. 5 is a top perspective view of the surveillance unit thereof; and,

FIG. 6 is a left side elevation view of the surveillance unit thereof, the right side being a mirror image of the left side. 

The ornamental design for an electronic surveillance unit, as shown and described. 